Audi TT (2007 year). Manual - part 121

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-031020409

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J

401

SC

32

5A

32a

SC

34

15A

ro

6,0

ro

16,0

B300

E1

SD

3

110A

✱

34

32

34a

T2m/1

30

br

1,5

T2m/2

31

br

2,5

610

380

30A

35

35a

SC

35

ro/ws

1,5

ro/gn

4,0

18

or/li

0,35

T2l/1

or/li

0,35

T20d

/20

B415

•

•

J

533

or/br

0,35

T2l/2

or/br

0,35

T20d

/10

B421

•

•

J

533

ro

10,0

B299

or/li

0,35

•

25

or/br

0,35

•

24

25

24

18

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Navigation system with CD drive control unit, fuses

J401 Navigation system with CD drive control unit

J533 Data bus diagnostic interface

SC32 Fuse 32 on fuse holder C

SC34 Fuse 34 on fuse holder C

SC35 Fuse 35 on fuse holder C

SD3 Fuse 3 on fuse holder D

T2l

2-pin connector, black, connector CAN, on navigation

system with CD drive control unit

T2m 2-pin connector, black, connector A, on navigation system

with CD drive control unit

T20d 20-pin connector, black, on data bus diagnostic interface

380 Earth connection 15, in main wiring harness

610 Earth point (audio), under centre console, front

B299 Positive connection 3 (30), in main wiring harness

B300 Positive connection 4 (30), in main wiring harness

B415 Connection 1 (infotainment CAN bus, high), in main wiring

harness

B421 Connection 1 (infotainment CAN bus, low), in main wiring

harness

•

CAN bus (data wire)

*

main fuse box, in luggage compartment, rear right, on the

battery

 Audi TT

Current Flow Diagram

No.  31 / 2

Edition  04.2009

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-031031008

15

16

17

18

19

20

21

22

23

24

25

26

27

28

J

401

J

525

T12h/2

ro

0,35

T32a

/30

50

br

4,0

T32a/2

ro/gn

4,0

T32a/1

5

or/br

0,35

T32a

/11

13

•

or/li

0,35

T32a

/12

10

•

T12h/3

br

0,35

T32a

/29

T12h/4

gn/ge

0,5

T32a

/14

T12h/5

br

0,35

T32a

/24

T12h/6

gn

0,35

T32a

/25

T12h/8

ge

0,35

T32a

/32

T12h/9

br

0,35

T32a

/31

T12h

/11

br

0,35

T32a

/26

T12h/12

bl

0,35

T32a

/27

1/--

br/gr

0,5

2/+

ro/gr

0,5

T32a/21

T32a

/20

R

158

T38/36

#

#

#

T38/28

#

#

#

T38/34

#

#

#

T38/27

#

#

#

T38/35

#

#

#

T38/38

#

#

#

T38/30

#

#

#

T38/29

#

#

#

T38/37

#

#

#

T38/10

#

#

#

T38/22

#

#

#

T38/1

#

#

#

31

T38/2

#

#

#

30

#

#

T38/23

#

#

T38/31

#

#

5

13

10

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Navigation system with CD drive control unit, digital sound

package control unit, centre mid-range and treble

loudspeaker

J401 Navigation system with CD drive control unit

J525 Digital sound package control unit

R158 Centre mid-range and treble loudspeaker

T12h 12-pin connector, black, connector C, on navigation system with

CD drive control unit

T32a 32-pin connector, black, on digital sound package control unit

T38 38-pin connector, black, on digital sound package control unit

50

Earth point, on left in luggage compartment

•

CAN bus (data wire)

#

up to January 2009

##

from February 2009

 Audi TT

Current Flow Diagram

No.  31 / 3

Edition  04.2009

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-031041008

29

30

31

32

33

34

35

36

37

38

39

40

41

42

J

401

J

525

1/--

br/ro

1,0

R

21

2/+

ro

1,0

br/ro

1,0

ro

1,0

T

20a/2

T

20a/12

T32a/4

T32a/3

R

20

2/+

ro

0,5

1/--

br

0,5

1/--

br/gr

1,0

R

23

2/+

ro/gr

1,0

br/ro

1,0

ro/gr

1,0

T

20b/2

T

20b/12

T32a/16

T32a/15

R

22

2/+

ws

0,5

1/--

br

0,5

T38/17

#

##

T38/5

#

##

T38/16

#

##

T38/4

#

##

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Navigation system with CD drive control unit, digital sound

package control unit, front left and right treble loudspeaker,

front left and right bass loudspeaker

J401 Navigation system with CD drive control unit

J525 Digital sound package control unit

R20 Front left treble loudspeaker

R21 Front left bass loudspeaker

R22 Front right treble loudspeaker

R23 Front right bass loudspeaker

T20a 20-pin connector, black, in the front left door

T20b 20-pin connector, black, in the front right door

T32a 32-pin connector, black, on digital sound package control unit

T38 38-pin connector, black, on digital sound package control unit

#

up to January 2009

##

from February 2009

 Audi TT

Current Flow Diagram

No.  31 / 4

Edition  04.2009

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not 
 permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability 
     with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-031051008

43

44

45

46

47

48

49

50

51

52

53

54

55

56

J

401

J

525

R

160

2/+

T32a/19

T32a/18

br/ws

1,0

bl/ws

1,0

R

16

1/--

2/+

br

0,5

1/--

bl

0,5

R

159

2/+

T32a/7

T32a/6

br/gn

1,0

ro/gn

1,0

R

14

1/--

2/+

br

0,5

1/--

ro

0,5

T38/20

#

##

T38/8

#

##

T38/7

#

##

T38/19

#

##

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Navigation system with CD drive control unit, digital sound

package control unit, rear left and right treble loudspeaker,

rear left and right mid-range and bass loudspeaker

J401 Navigation system with CD drive control unit

J525 Digital sound package control unit

R14 Rear left treble loudspeaker

R16 Rear right treble loudspeaker

R159 Rear left mid-range and bass loudspeaker

R160 Rear right mid-range and bass loudspeaker

T32a 32-pin connector, black, on digital sound package control unit

T38 38-pin connector, black, on digital sound package control unit

#

up to January 2009

##

from February 2009

 Audi TT

Current Flow Diagram

No.  31 / 5

Edition  04.2009